Koyorad Performance Radiator Honda Civic (EF2/EF3/EF4/EF5/EF7) / CR-X (EF6/EF7) MT

Koyorad Performance Radiator - Honda Civic (EF2/EF3/EF4/EF5/EF7) / CR-X (EF6/EF7) MT

Koyorad builds its radiators in Japan using all aluminium, TIG welded construction, giving them a real durability edge over the plastic tanked units fitted from factory. The Honda Civic EF and CR-X are getting on in years now, and a tired OEM radiator is one of the more common causes of cooling trouble on these platforms, especially once they're being driven hard. This Koyorad unit, SKU KH080146 (also listed as KS080146), is a direct bolt-in replacement built to handle street, track and competition use without the cooling capacity dropping off.

This listing covers manual transmission Honda Civic EF2 (D15B), EF3 (ZC), EF4 (D15B), EF5 (ZC) and EF7 (ZC), plus Honda CR-X EF6 (D15B) and EF7 (ZC), across the 1987 to 1997 production run. It retains the factory mounting points, fan shroud fitment, hose connections and standard radiator cap, so no bracket or hose modifications are needed.

Note: this radiator is designed for manual transmission (DOHC) applications only — it is not intended for automatic transmission variants of these chassis.

Specifications

• Part Number: KH080146 / KS080146
• Core Type: 25mm
• Core Dimensions (H x W): 325 x 660/684mm
• Tank Dimensions: 35/35 x 687mm
• Inlet / Outlet Diameter: 32mm (top and bottom)
• Filler Neck: Yes
• Construction: All aluminium, TIG welded, lightweight
• Transmission: Manual (MT), DOHC
• Origin: Made in Japan
• Cross Reference: Honda OEM 19010-PM3-305 / 19010-PM3-901

Vehicle compatibility, OEM part numbers and fitment notes are provided in the tabs above. Please confirm your Civic or CR-X's chassis code and transmission type before ordering, as these radiators are specific to manual DOHC applications.

Not sure if this radiator suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.